Water-tube boilers and auxiliary installations - Part 1: General; German and English version prEN 12952-1:2024
Edition 2024-06

Wastewater treatment plants - Part 5: Lagooning processes; German and English version prEN 12255-5:2022
Edition 2022-03

Spectator facilities - Part 10: Calculating of safe capacity in case of emergency; German and English version prEN 13200-10:2023
Edition 2023-02

Chimneys - Requirements for metal chimneys - Part 1: System chimney products; German version EN 1856-1:2009
Edition 2009-09

Fixed firefighting systems - Automatic sprinkler systems - Part 3: Guidance for earthquake bracing; German and English version prEN 12845-3:2022
Edition 2022-07

Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection and maintenance; German version EN 14972-1:2020
Edition 2021-06

Wastewater treatment plants - Part 7: Biological fixed-film reactors; German and English version prEN 12255-7:2023
Edition 2023-09

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 13: Equipment for separation and treatment of mineral solids such as grit
Edition 2020-01

Wastewater treatment plants - Part 8: Sludge treatment and storage; German and English version prEN 12255-8:2022
Edition 2022-03

Industrial thermoprocessing equipment - Part 5: Particular safety requirements for salt bath thermoprocessing equipment; German version EN 746-5:2000
Edition 2001-04